A 4-Color Circular Map Coloring Method
map, four color, four color conjecture, graph theory
Abstract
Different vertices are colored in a plan. Adjacent vertices are colored differently from nonadjacent vertices, which are colored the same color. One color is used for a single point, two color are used for points without a loop, and a maximum of four color are used for points with a loop. A maximum of four color are used to color all points.
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References
Shijun Han (2023) A Map Coloring Method. 11(04), 1200-1208.
S Han (2020) Four Color Conjecture, Happy World,2020-A-00021917.
S Han (2022) Using the Triangle Method for Map Coloring, The All Committee Meeting of the Professional Committee of Combinatorial Mathematics and Graph Theory of the Chinese Mathematical Society and the Tenth National Congress of Combinatorial Mathematics and Graph Theory.
S Han (2003) Four Color Conjecture. 11, 140.
Published
2023-09-12
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